UDZ3V6B-7 Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.6V
Tolerance:	±3%
Power - Max:	200mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323

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Introduction

UDZ3V6B-7 is a silicon zener diode with a single junction. It belongs to the Single Zener diodes category. It has a wide range of applications in fields including communications, automotive, computer and industrial segments. This paper will discuss the features, working principle and applications of the UDZ3V6B-7 diode.

Features

UDZ3V6B-7 has a dynamic resistance of 7Ω, a breakover voltage of 3V a capacitance of 500pF and a maximum reverse current at breakover of 100mA. It is a three-terminal device with two terminals acting as input and output. The terminals could be trimming, rectifying or switching. Its temperature components are steady-state operating temperature at 100℃, maximum storage temperature of 175℃ and a junction temperature of 225℃. Its junction-to-case thermal resistance is 6.2 °C/W.

Working Principle

UDZ3V6B-7 is a three-terminal device. Its active element is a PN junction diode which has a reverse breakdown voltage or zener voltage (VZ) of 3V. The zener voltage of the device is controlled by the doping in the intrinsic semiconductor region. The device is referred to as a voltage regulator, it requires to be connected with a resistor to limit the current flow when the circuit is powered, thus preventing the device from the destructive effect of too high current.When the zener diode is connected in the reverse biased state, the current (IZ) will be initially very low. The resistance of the diode is quite high until the voltage across the diode reaches the zener voltage VZ. As soon as the voltage across the diode reaches VZ, the current will increase exponentially and a stabilizing action is achieved as the resistance of the diode drops and it becomes conductive. The current output of the UDZ3V6B-7 can be limited to the external resistor.

Applications

UDZ3V6B-7 can be used in communications, automotive, computer, industrial, audio and medical electronic equipment. Some of the applications and uses of the device include voltage dropping, voltage stabilizing, and transient voltage suppression.UDZ3V6B-7 can be used for various types of protection circuits in communications and automotive electronics as it limits the voltage across the diode and thus provides overvoltage protection. In computer, industrial and audio electronic equipment, the device can be used for voltage regulation. It could also be used in medical electronic equipment for application requiring low power consumption and high reliability.The device is also used in reverse biased circuit protection, power line protection, power supply ripple reduction, and switching protection circuits. It is also used for high reliability operation in the area of control electronics, control interfaces and industrial control systems.

Conclusion

To summarize, the UDZ3V6B-7 diode is a silicon zener diode device with a single-junction configuration. It is primarily used for various types of protection circuits in communication, automotive, computer, industrial, audio and medical electronic equipment. The device is widely used in voltage dropping, voltage stabilizing, and transient voltage suppression applications. Its features, working principle and applications have been discussed in detail in this paper.

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